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Special Information for Florida Code Officials

Residential Air Distribution Systems. The 2001 Florida Building Code contains new provisions on air handlers and ducts for heating and air conditioning. They allow new homes to receive energy "credits" if the air distribution system is tested to be substantially "leak free." Substaintially leak free is defined as air leakage that does not exceed 5% of the rated air handler flow rate at a pressure of 25 Pascal (0.1 in WG). The energy credit is substantial at about 13-15% of heating and cooling energy.

 

A two-step process is required:

  • The builder proposes the leak free credit on Form 600A on the front Summary and in the "Total Component Summer (and Winter) As-Built Points" calculation under DSM (Duct Sealing Multiplier — see Table 6A-20, note 1) and submits completed Form 600A to Building Official office for plan review and permitting.
  • A state-approved performance Tester tests the completed air distribution system prior to issuance of Certificate of Occupancy (CO) by the Building Official. The Tester provides written certification of the air distribution system performance test results. A copy of this certified test report (on right) is provided to the Building Official and becomes a part of the building documents on file with the office of the Building Official.

The Duct System Performance Report (right) is provided by the EnergyGauge FlaRes code compliance software as the means through which test results are certified to the local Building Official. Test results for each air distribution system are entered on the form and certified by the signature of a state-approved performance Tester.

Click to find a state-approved Tester

Performance Test Form
Click to enlarge

More information on changes to the energy provisions in Florida's can be found on Florida Department of Community Affairs website.

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Revised: March 12, 2012